Extend device name pattern in UnixIPParser
Extend device name pattern in UnixIPParser

Accept everything except colon when matching device name. Examples that
didn't match before:
    2: eth-int: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc
    7: eth-usb-5@eth-usb: <BROADCAST,MULTICAST> mtu 1500 qdisc noop

ftao/python-ifcfg